Well-drilling machine.



Patented Nov. I8; |902.v

B. B. MOORE, Decd. 1'. nunka. Administrator. WELL DRILLING MAGHINE.

. (Application led Aug. 14, 1901.) (lo Model.)

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R. B. MOORE, ,DBBIL v T. F. MOORE. Administrator. WELL DRILLING MACHINE.

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- ATTO UNiTED STATES PATENT Prion.

ROBERT BURNS MOORE, OF YARRELTON, TEXAS; T. F. MOORE ADMINIS- TRATOR OF SAID ROBERT BURNS MOORE, DEOEASED.

WELL-DRILLING MACHINE.

SPECIFICATION forming part of Letters Patent No. 714,111, dated November 18, 1902.

Application led August 14, 1901. Serial No. 71,988. (No model.)

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Be it known that I, ROBERT BURNS MOORE, a citizen of the United States, and a resident of Yarrelton, in the county of Milam and State of Texas, have invented a new and Improved Well-Drilling Machine, of which the following is a full, clear, and exact description.

The object of the invention is to provide a new and improved welldrilling machine adapted to be driven by horse-power and arranged to permit of actuating the drillingtools for drilling purposes and to allow of conveniently and quickly raising the tools from the well whenever it is desired -to do so for sharpening the tools or for other purposes.

The invention consists of novel features and parts and combinations of the same, as will be fully described hereinafter and then pointed out in the claims.

A practical embodiment of the invention is represented in the accompanying drawings, forming a part of this specification, in which similar characters of reference indicate corresponding parts in all the views.

Figure 1 isaside elevation of the improvement. Fig. 2 is a plan view of the same with the derrick in section. Fig. 8 is an enlarged perspective view of the drill-rope-actuating device to give the desired'stroke to the drilling-tool. Fig. 4 is an enlarged side elevation l of the tripping device for the bell-crank lever of the rope-actuating device. Fig. is an enlarged perspective view of part of the brake mechanism for the actuating-drum, and Fig. 6 is an enlarged sectional side elevation of the actuating-drum.

A suitably-constructed derrick A is set on the groundvover the intended well, and on the upper end of said derrick is journaled a pulley'A', over which passes the drill-rope B, carrying at one end the drilling-tools (not shown) and winding at its other end on the drum C, mounted to rotate loosely and to slide vertically on the shaft D, carried at its lower end by a stand E and engaging at its upper end a frame F, secured to and projecting from the derrick A.

The under side of the drum O is provided with lugs C', adapted to be engaged by arms 5o G, radiating from a hub G', mounted to rotate loosely on the shaft D, and said hub G' being provided with a draft-pole G2, to which a horse or other animal is hitched to turn the hub G around and to cause the arms G to turn the drum O for winding up the rope B whenever the said drum is in a lowermost position and the said lugs O extend into the path of the arms G.

The upper head of the drum O is engaged at the under side by a collar H, supported on links H', hung'on the ends of a bail H2, hooked into one arm of a bell-crank lever H3, fulcrumed at H4 on the frame F. The upwardly extending arin of the bell-crank lever H3 is connected by a link H5 with a lever H6, fulcrumed on the frame F at the derrick A, and the said lever H6 is provided with a hook H7, adapted to hook onto a keeper F', held on the frame F. When the hook H7 engages the keeper F', as shown in Fig. 1, then the drum O is held in an uppermost position by the collar H, connected with the bell-crank lever H3, as previously mentioned. W'hen the drum is in this position, the lugs O' are clear of the arms G, and consequently the rotation of the hub G' does not rotate the said drum O. When it is desired to rotate the drum for winding up the rope B, then the operator swings the hook H7 out of engagement with the keeper F' and then swings the lower .handle end of the lever H, to the right, so that the link H5 imparts a swinging motion to the bell-crank lever H3 from the right to the left to lower the bail H2, the links H', collar H, and consequently the ldrum O, so that the lugs O' move into the path of the arms G, and when the hub G' is now rotated a rotary motion is given to the drum O to wind up the rope. l

In order to give the desired stroke to the drilling-tools, the rope B is acted on by a rope-actuatin g device to alternately raise and drop the drilling-tool. The actuating device consists of the following parts: The rope B between the pulley A' and the drum O eX- tends under a pulley I', held on one arm of a bell-crank lever I, fulcrumed at 12 on the frame F, and the said rope then passes over a pulley I3, held on the fulcrum I2 of the lever I. The rope then extends downward and passes under a guide-pulley F2, held on the frame F to guide the pulley to the drum IOO C. The depending arm I4 of the bell-crank lever I is pivotally connected by a link I5 with a lever J, (see Figs. l and 4,) projecting at its lower end into the path of the arms G, the upper end of the lever J being hung on the bell-crank lever J', fulcrurned at J2 on the frame F. A latch J3 is pivoted on the upper end of the bell-crank lever J' and is adapted to engage a notch J4 in a trippinglever J5, likewise fulcrumed on the frame F and connected by a rope J6 with the lever J. The latch J3 is engaged by one end of a rope K, extending over a pulley K', journaled on the frame F at the derrick A, and the depending part of the rope K carries a handle K2, adapted to be taken hold of by the operator to pull the rope K so as to swing the latch J3 out of engagement with the notch J4 whenever it is desired to raise the lever J to lift the lower end thereof out of the path of the arms G. rPhe lever J is connected by a rope L with a lever L', fulcrumed at L2 on the frame F, and the upper end of the said lever L' is connected by a link L3 with the arm L4, fulcrumed loosely on the fulcrum I2 of the bellcrank lever I, the said arm L4 carrying at its forward end a friction pulley or roller L5 for engagement bythe rope B after the latter is released by the pulley l' of the lever I on the return or upward-swinging movement of the said lever I. The arm L4 is pivotally connected with a bail L6, having its cross-bar L7 adapted to engage a notch F2 in a depending bracket F4, carried by the frame F, so as to hold the arm L4 against upward-swinging movement as long as the crossbar L7 engages said notch. (See Fig. 3.) The downward-swinging motion of the arm L4 is limited by set-screws L8, screwing in brackets L2, carried by the frame F, as will be readily understood by reference to Fig. 3.

In order to brake the drum C, I provide the brake-shoes N, O, and P, of which the brakeshoe N is adapted to engage the top rim of the drum C, and the said shoe is held on a lever N', fulcrumed on the frame F. (See Fig. l.) A link N2 pivotally connects the lever l with the lever O', likewise fulcrumed on a bracket F5 on the frame F and connected -with a rod O2, carrying the brake-shoe O and supported on the bracket F5. The brake-shoe O engages the upper rim of the drum C at a point vdiametrically opposite the one engaged by the brake-shoe N, and the third brakeshoe P engages the lowerl rim of the drum C, as indicated in Fig. l. This brake-shoe P is held on a rod P', supported on a bracket F6 and pivotally connected with a lever P2, fulcrumed on the said bracket. (See Figs. l and 5.) The lever P2 is pivotally connected by a link l?3 with a carriage Q, having wheels Q' Q2 mounted to travel longitudinally on the frame F. The carriage Q is also connected by a link O2 with the lever O', previously mentioned, so that when the carriage Q is moved from4 the left to the right then the levers O' and P2 are actuated to move the brakeshoes O and P in engagement with the drum C, and as the brake-shoe N has its lever N' connected with the lever O it is evident that this brake-shoe N also moves in frictional contact with the drum to brake the same. When the carriage Q is moved from the right to the left, the several shoes N, O, and P are moved out of frictional contact with the drum. The brake-shoes 0 and P are normally held out of engagement with the drum by springs R. (See Fig. 5.) The carriage Q is connected by a link Q3 with a lever Q4, fulcrumed on the frame F, and on this lever Q4 is arranged a hook Q5, adapted to hook on the keeper F', previously mentioned, so as to normally hold the carriage Q in a right-hand side position with the brake-shoes N, O, and P in engagement with the drum O. When the hook Q5 is disengaged from the keeper F and the operator moves the lever Q4 from the right to the left, then the several brake-shoes N, O, and P move out of engagement with the drum C to allow of rotating the latter to allow of turning the drum for winding up the rope or for unwinding the same.

The operation is as follows: When the drum C is held in a raised position and locked against rotation by the brake-shoes N O P and the hub G is turned around, then the arms Gr clear the lugs C', but successively engage the lever J to impart a swinging motion to the same from the right to the left. During this movement of the lever J the link I5 imparts a downward-swinging motion to the bell-crank lever I, s0 that the pulley I pulls on the ropeB to lift the drilling-tools a certain distance, and l when the lever J about reaches the end of its outward stroke the cord J 5 pulls on the tripping-lever J5, so that the latter swings out of engagement with the latch J3 to disengage the lever J from the arm G, so that the pull on the rope B by the lever I ceasesand the drilling-tools by their own weight now drop, thus drawing the rope B back to a starting position. The lever I on its return or upward swinging movement strikes the roller L5,

which is preferably made ot' leather or other` like material to softly stop the said lever I. By adjusting lthe set-screws L8 the inclination of the stop-arm L4 is changed to increase or decrease the stroke of the lever I. The adjustment of the stop-arm L4 causes a like adjustment of the lever L' and by the cordL ot' the lever J, so that the latter is engaged sooner or later by the arlns G, in consequence of which the stroke of the bell-crank lever and that of the drilling-tools is correspondingly changed. When it is desired to feed more rope, then the brakes N O P are loosened to allow the drum to unwind some rope for feeding purposes. When it is desired to hoist the drilling-tools out of the well, the operator pulls on the handle K2 to cause the rope K to impart a swinging motion by the catch J 3 tothe bell-crank lever J' to raise the lever J sufficiently to clear the arms G. The operator now unlocks the lever H6 and allows IOO IIO

the drum C to slide downward until the lugs C' are in the path of the arms Gr. As the hub G' is turned the arms G turn the drum C, and thereby cause a Winding up ot' the rope B and consequent hoisting of the drilling-tools out of the well.

Having thus fully described my invention, I claim as new and desire to secure by Letters Patentv l. A drilling-machine, comprising a ropedrum mounted to turn and slide, a revoluble member operatively engaging the drum, means for sliding thedrum to prevent itfrom being revolved by said member, means for locking the drum to prevent it from revolving after it has been disengaged from the revoluble member, a rope-actuating device to alternately raise and drop the tool, and means for operating the rope-actuating device from the revoluble member, as setforth.

2. A drilling-machine, comprising a ropedrum mounted to turn and slide, a revoluble member operatively engaging the drum, means for sliding the drum for disengaging it from the revoluble member, means for locking the drum to prevent it from revolving after it has been disengaged from the revoluble member, a rope-actuating device, means vfor operating the rope-actuating device from the revoluble member to cause the said actuating device to pull upon the rope and lift the tool, and a tripping device for disengaging the means by which the actuating device is operated, to cause the actuating device to cease to pull upon the rope, as set forth.

- 3. A drilling-machine having a bell-crank lever for actuating the drilling-tool rope, an adjustable swinging stop-arm for limiting the return swinging motion of said bell-crank lever4 and means for locking the stop-arm against swinging movement, as set forth.

4. A drilling-machine having a bell-crank lever for actuating the drilling-tool rope, an actuating-lever connected with the said bellcrank lever, means for imparting a swinging motion to the said actuating-lever in one direction, and a tripping device for the said lever and controlled by the same, as set forth.

5. A drilling-machine having a bell-crank lever for actuating the drilling-tool rope, an actuating-lever connected with the said bellcrank lever, means for imparting a swinging motion to the said actuating-lever in one direction, a tripping device for the said lever and controlled by the same, the said tripping device comprisinga rope connected with the lever, a tripping -lever connected with the rope, a latch engaged by the said trippinglever, and a bell-crank lever carrying the said actuating-lever and the said latch, as set forth.

6. A drilling-machine having a bell-crank lever for actuating the drilling-tool rope, an actuating-lever connected with the said bellcrank lever, means for imparting a swinging motion Vto the said actuating-lever in one direction, a tripping device for the said lever actuating-lever connected with the said bellcrank lever, means for imparting a swinging motion to the said actuating-lever in one direction, a tripping device for the saidv lever and controlled by the same, a stop-arm for the said lever and controlled bythe same, a stop-arm for the said bell-crank lever, and a connection between the said stop-arm and the said actuating-lever to adjust the position of the stop-arm, the said connection comprising a link, a lever connected by the said link with the said stop-arm, and a rope connecting the last-mentioned lever with the said actuating-lever, as set forth.

8. Avdrilling-machine having a.bellcrank lever for actuating the drilling-tool rope, an actuating-lever connected With the said bellcrank lever, means for imparting a swinging motion to the said actuating-lever in one direction, a tripping device for the said lever and controlled by the same, the said tripping device comprising a rope connected with the lever, a tripping-lever connected with the rope, a latch engaged by the said trippinglever, a bell-crank lever carrying the said actuating-lever and the said latch, and a rope under the control of the operator and connected with the said latch, as set forth.

9. A drilling-machine having a rope-drum and a plurality of brake-shoes for braking the said drum, two of the shoes engaging the upper rim of the drum and one the lower rim, a carriage mounted to travel and under the control of the operator, and a connection between the said carriage and the several brake-shoes to actuate the same, as set forth.

10. In a drilling-machine, the combination with a rope-drum mounted to slide and turn, and means for raising and lowering the drum, of a revoluble hub provided with arms for engaging the drum to turn the same when lowered, a lever adapted to extend into the path of the arms of the hub, a bell-crank lever for actuating the drill-tool rope, and a link connecting the bell-crank lever with the said lever, as set forth.

ll. In a drilling-machine, the combination with a rope-drum mounted to slide and turn and provided with projections at its lower end, and means for raising and lowering the drum, of a revoluble hub provided with arms adapted to engage the projections of the drum when lowered, a lever adapted to extend into the path of the arms of the hub, a bell-crank lever for actuating the drill-tool rope, a link connecting the said lever with the bell-crank lever, and means for moving the said lever out of the path of the arms of thehub, as set forth.

IIO

12. In a drilling-machine, the combination with a rope-drum mounted to slide and turn and provided with projections at its lower end, and means for raising and lowering the drum, of a revoluble hub below the drum and providedwith arms for engaging the projections of the drum when said drum is lowered, a vertically-movable lever' adapted to extend into the path of the arms of the hnb, a bellcrank lever for actuating the drill-tool rope, a link connecting the said lever with the bellcrank lever, means for moving said lever ont of the path of the arms of the hub, and abrake for the drum, as set forth.

13. In a drilling-machine, the combination with a rope-drum, means for operating the drum, and means for disengaging the drum from its operating means, of an actuating-lever operated by the drum-operating means, a catch carried by said lever, a tripping-lever connected with the actuating-lever and adapted to be engaged by said catch, and a tool-roperactuating device connected with the actuating-lever, as set forth.

14. In a drilling-machine, the combination with a rope-drum, means for operating the drum, and means for disengaging the drum from its operating means, of a bell-crank lever, an actuating-lever carried by the bellcrank lever and operated by the drum-operating means, a catch carried by the bell-crank lever, a tripping-lever connected With the actuating-lever and adapted .to be engaged by the catch, and a tool-rope-actuating device connected with the actua-ting lever, as set forth.

15. In a drilling-machine, the combination with a rope-drum, means for operating the drum, and means for disengaging the drum from its operating means, of a bell-crank lever, an actuating-lever carried by the bellcrank lever and operated by the drum-operating means, a catch carried by the bell-crank lever, a tripping-lever connected with the actuating-lever and adapted to be engaged by 'the catch, a bell-crank lever for actuating the tool-rope, a connection between the bell-crank lever and the actuating-lever, a pivoted lever connected with the actuating-lever, and a stop-arm for the last-named bell-crank lever and connected with the said lever, as set forth.

In testimony whereof I have signed my name to this specification in the presence of two subscribingl witnesses.

ROBERT BURNS MOORE.

Witnesses:

S. G. LITTLE, WALTER NELSON. 

